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| n | a(n) |
|---|---|
| 0 | 6 |
| 1 | 16 |
| 2 | 37 |
| 3 | 92 |
| 4 | 263 |
| 5 | 858 |
| 6 | 3069 |
| 7 | 11584 |
| 8 | 44995 |
| 9 | 177350 |
| 10 | 704201 |
| 11 | 2806476 |
| 12 | 11205327 |
| 13 | 44780242 |
| 14 | 179038933 |
| 15 | 715991768 |
| 16 | 2863639259 |
| 17 | 11453901534 |
| 18 | 45814295265 |
| 19 | 183254559460 |
| 20 | 733012994791 |
| 21 | 2932041493226 |
| 22 | 11728145001197 |
| 23 | 46912538061552 |
| 24 | 187650068359923 |
| 25 | 750600105667318 |
| 26 | 3002400087124729 |
[6,16,37,92,263,858,3069,11584,44995,177350, 704201,2806476,11205327,44780242,179038933, 715991768,2863639259,11453901534,45814295265, 183254559460,733012994791,2932041493226, 11728145001197,46912538061552,187650068359923, 750600105667318,3002400087124729] |